linux-kernel - Re: [PATCH v2 02/14] rust: str: introduce `BorrowFormatter`

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Message-ID: <87wm8hjt5f.fsf@kernel.org>
Date: Wed, 09 Jul 2025 17:11:40 +0200
From: Andreas Hindborg <a.hindborg@...nel.org>
To: "Alice Ryhl" <aliceryhl@...gle.com>
Cc: "Boqun Feng" <boqun.feng@...il.com>,  "Miguel Ojeda" <ojeda@...nel.org>,
  "Alex Gaynor" <alex.gaynor@...il.com>,  "Gary Guo" <gary@...yguo.net>,
  Björn Roy Baron <bjorn3_gh@...tonmail.com>,  "Benno
 Lossin"
 <lossin@...nel.org>,  "Trevor Gross" <tmgross@...ch.edu>,  "Danilo
 Krummrich" <dakr@...nel.org>,  "Jens Axboe" <axboe@...nel.dk>,
  <linux-block@...r.kernel.org>,  <rust-for-linux@...r.kernel.org>,
  <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 02/14] rust: str: introduce `BorrowFormatter`

"Alice Ryhl" <aliceryhl@...gle.com> writes:

> On Tue, Jul 08, 2025 at 09:44:57PM +0200, Andreas Hindborg wrote:
>> Add `BorrowFormatter`, a formatter that writes to an array or slice buffer.
>> This formatter is backed by the existing `Formatter`.
>>
>> Signed-off-by: Andreas Hindborg <a.hindborg@...nel.org>
>
> I don't think we need a separate BorrowFormatter. We can instead add a
> lifetime to Formatter and give it a safe constructor from a mutable
> slice.

Ah, good idea.


Best regards,
Andreas Hindborg